Pith Number

pith:FPNEF7LK

pith:2017:FPNEF7LKPWDRUBVEOCSITWT4ZU

not attested not anchored not stored refs pending

The Breakthrough Listen Search for Intelligent Life: 1.1-1.9 GHz observations of 692 Nearby Stars

Andrew Siemion, Danny C. Price, Dan Werthimer, David DeBoer, David MacMahon, Greg Hellbourg, Griffin Foster, Howard Isaacson, Jack Hickish, J. Emilio Enriquez, Matt Lebofsky, Steve Croft, Vishal Gajjar

arxiv:1709.03491 v2 · 2017-09-11 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPNEF7LKPWDRUBVEOCSITWT4ZU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:18:00.167195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bda42fd6a7d871a06a470a489da7ccd1a5b9fa592700cdfe0cb266786cfb0f6

Aliases

arxiv: 1709.03491 · arxiv_version: 1709.03491v2 · doi: 10.48550/arxiv.1709.03491 · pith_short_12: FPNEF7LKPWDR · pith_short_16: FPNEF7LKPWDRUBVE · pith_short_8: FPNEF7LK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FPNEF7LKPWDRUBVEOCSITWT4ZU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2bda42fd6a7d871a06a470a489da7ccd1a5b9fa592700cdfe0cb266786cfb0f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68ec75e42c779129c31f6bee45671c7435cdd7e7dc024644cc5615556fb5bf23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-09-11T17:53:04Z",
    "title_canon_sha256": "f04ff41d709762458fb612386e4f11a8d1806782885c53c5f3c4763c2bef8848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03491",
    "kind": "arxiv",
    "version": 2
  }
}